Networks Analysis and Synthesis

Q1: An RC series circuit is charged by a voltage E. After a long time the battery is removed and a short circuit is placed across R-C. Then

A the polarity of voltage across R is same during discharge and during charge

B the polarity of voltage across R during discharging is opposite to that during charging

C the polarity of voltage across R depends on time constant RC

D none of the above

ANS:B - the polarity of voltage across R during discharging is opposite to that during charging

Direction of current during discharging is opposite to that during charging.



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